A client calls and becomes belligerent and inappropriate with the technician. The technician responds in return with an insult and a loud verbal argument ensues. Which of the following would have been a better course of action for the technician to take?

A.
Hang up on the client immediately to avoid further confrontation and hope that the client calls back to receive another technician.

B.
Inform the client that the technician will not assist the client further until an appropriate tone is reached.

C.
Immediately transfer the call to a supervisor as the supervisor can be of further assistance to the client.

D.
Allow the client to vent their frustration and offer to transfer the call to a supervisor if the client requests.